<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function findquote(str){
            var stack = []
            for(var i in str){
                var temp
                if(str[i]=='('){
                    stack.push(')')
                    continue
                }
                if(str[i]=='<'){
                    stack.push('>')
                    continue
                }
                if(str[i]=='{'){
                    stack.push('}')
                    continue
                }
                if(str[i]=='['){
                    stack.push(']')
                    continue
                }
                if(str[i]==')'){
                    temp = stack.pop()
                    if(temp!=str[i]){
                        return false
                    }
                }
                if(str[i]=='>'){
                    temp = stack.pop()
                    if(temp!=str[i]){
                        return false
                    }
                }
                if(str[i]=='}'){
                    temp = stack.pop()
                    if(temp!=str[i]){
                        return false
                    }
                }
                if(str[i]==']'){
                    temp = stack.pop()
                    if(temp!=str[i]){
                        return false
                    }
                }
            }
            if(stack.length!=0){return false}
            return true
        }
        console.log(findquote("(imyyf<www{whh<}>)"))
    </script>
</body>
</html>